Node-redis - auto-reconnect

redis.coffee

redis = require("redis")
cli = null

# 1/ Helpers
RedisOnConnected = (err, redis) ->
  # Update the global reference to the redis client
  cli = redis

RedisDoConnect = (cbConnected) ->
  client = require("redis").createClient()

  redis.once('ready', () ->
    console.info('Redis ready')
    cbConnected(null, client)
  )

  redis.on('error', (err) ->
    console.error("Redis ERROR", err)
  )

  redis.once('end', () ->
    console.error("Redis connection closed, reconnecting")

    process.nextTick(() ->
      RedisDoConnect(RedisOnConnected)
    )
  )

# 2/ Init the connection
RedisDoConnect((err, redis) ->
  RedisOnConnected(err, redis)

  # 3/ Do something...
  # redis.hgetall ...
)